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Ullrich Scherf
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Mainz-Kastell, DE
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Patents Grants
last 30 patents
Information
Patent Grant
End-capped polyfluorenes, films and devices based thereon
Patent number
6,777,531
Issue date
Aug 17, 2004
Sony International (Europe) GmbH
Akio Yasuda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Plastic substrate for solid-state laser
Patent number
6,577,657
Issue date
Jun 10, 2003
Bayer Aktiengesellschaft
Andreas Elschner
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic electroluminescence devices and displays
Patent number
6,117,529
Issue date
Sep 12, 2000
Gunther Leising
Gunther Leising
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Use of polymers containing isolated chromophores as electroluminesc...
Patent number
5,856,434
Issue date
Jan 5, 1999
Hoechst Aktiengesellschaft
Roland Stern
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Poly(4,5,9,10-tetrahydropyrene-2,7-diyl) derivatives and their use...
Patent number
5,728,480
Issue date
Mar 17, 1998
Hoechst Aktiengesellschaft
Roland Stern
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Conjugated polymers containing ANSA substructures and their use as...
Patent number
5,712,361
Issue date
Jan 27, 1998
Hoechst Aktiengesellschaft
Roland Stern
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Ladder polymers containing conjugated double bonds
Patent number
5,679,760
Issue date
Oct 21, 1997
Hoechst Aktiengesellschaft
Klaus Mullen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
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Patent Application
End-capped polyfluorenes, films and devices based thereon
Publication number
20020173617
Publication date
Nov 21, 2002
Akio Yasuda
C07 - ORGANIC CHEMISTRY